Tennessee CDL Practice Test: Tank - Test 2019

Directions: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Tennessee Commercial Driver Handbook. The Tanker Vehicles endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Tennessee DMV locations.

You have made 2 errors so far.

1. If you have a cellphone, it's best to call for assistance _______.

Drive faster than the flow of traffic

Fluctuate your speed to keep alert

Drive slower than the flow of traffic

Drive with the flow of traffic

2. How should you check a tank for any spills?

Warning of a right turn ahead.

Warning of a right curve ahead.

Warning of merging traffic to the right.

Warning of a winding road ahead.

3. What is the best way to recognize that the trailer has started to skid?

Turn off your headlights

Flash your high beams

Turn on your high beams

Sound your horn

4. A trailer air supply that is in good working condition will pop out when the air pressure falls into what range?

Use your four-way flashers

Drive on the shoulder

Sound your horn to warn others

Use your high beams

5. Because of a liquid tanker's high center of gravity and liquid surge, you should approach curves by ______.

Low flying aircraft warning.

General information sign for an airport.

General information sign for an aircraft manufacturing plant.

No fly zone ahead.

6. The effects of liquid surge can be particularly dangerous for tankers driving on what type of surface?